CJCP     2024 26 (9):  907-913    ISSN: 1008-8830  CN: 43-1301/R Risk factors for initial non-invasive ventilation failure in very low birth weight infants with gestational age <32 weeks: a multicenter retrospective study WU Wen-Wen, RONG Hui, CHENG Rui, YANG Yang, SHEN Fei Department of Neonatology, Children's Hospital of Nanjing Medical University, Nanjing 210008, China Received: 2024-04-30  Revised: null  Online: null Supporting info null